Chapter 2 - Installation And Wiring - Hitachi SJ-EN Ethernet Communications Instruction Manual

Chapter 2 – Installation and Wiring
Orientation to Product Features
Figure 2-1 below shows the physical layout of the SJ-EN Ethernet option board. In particular, note the location
of status LEDs and DIP-switches.
RJ45
Jack
SJ-EN
The pinout for the RJ45 connector is as follows:
1. TX Data +
2. TX Data –
3. RX Data +
4. NC
5. NC
6. RX Data –
7. NC
8. NC
ON
7 6 5 4 3 2 1 0
OFF
DIP Switches
Figure 2-1
SJ-EN Layout
8 7 6 5 4 3 2
Figure 2-2
SJ-EN RJ45 Pinouts
Page 9 of 38
STATUS LEDs
• STATUS
• LINK
• ACTIVITY
• ERROR
1
Chapter 2
Connector to
connect to
SJ300 or L300P
(rear of board)
RXD LED
TXD LED